David was born in Buffalo, New York and grew up in Philadelphia. As a child he dreamed of becoming an actor, and when he graduated high school he moved to New York and studied acting at Ithaca College. After college, he moved to Los Angeles.
He got his first break when he played Kelly Bundy's boyfriend on the sitcom Married... With Children, but he was thrust into the limelight when he was tapped to play the vampire Angel in the successful Buffy, The Vampire Slayer series and it's spin-off, Angel.
David currently stars in the hit Fox series Bones with Emily Deschanel.